must rolf
Verbe régulier : rolf - rolfed- rolfed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must rolf
you must rolf
she must rolf
we must rolf
you must rolf
they must rolf 	I must be rolfing
you must be rolfing
she must be rolfing
we must be rolfing
you must be rolfing
they must be rolfing	I must have rolfed
you must have rolfed
she must have rolfed
we must have rolfed
you must have rolfed
they must have rolfed	I must have been rolfing
you must have been rolfing
she must have been rolfing
we must have been rolfing
you must have been rolfing
they must have been rolfing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't rolf
you mustn't rolf
she mustn't rolf
we mustn't rolf
you mustn't rolf
they mustn't rolf 	I mustn't be rolfing
you mustn't be rolfing
she mustn't be rolfing
we mustn't be rolfing
you mustn't be rolfing
they mustn't be rolfing	I mustn't have rolfed
you mustn't have rolfed
she mustn't have rolfed
we mustn't have rolfed
you mustn't have rolfed
they mustn't have rolfed	I mustn't have been rolfing
you mustn't have been rolfing
she mustn't have been rolfing
we mustn't have been rolfing
you mustn't have been rolfing
they mustn't have been rolfing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I rolf?
must you rolf?
must she rolf?
must we rolf?
must you rolf?
must they rolf? 	must I be rolfing?
must you be rolfing?
must she be rolfing?
must we be rolfing?
must you be rolfing?
must they be rolfing? 	must I have rolfed?
must you have rolfed?
must she have rolfed?
must we have rolfed?
must you have rolfed?
must they have rolfed? 	must I have been rolfing?
must you have been rolfing?
must she have been rolfing?
must we have been rolfing?
must you have been rolfing?
must they have been rolfing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I rolf?
mustn't you rolf?
mustn't she rolf?
mustn't we rolf?
mustn't you rolf?
mustn't they rolf? 	mustn't I be rolfing?
mustn't you be rolfing?
mustn't she be rolfing?
mustn't we be rolfing?
mustn't you be rolfing?
mustn't they be rolfing? 	mustn't I have rolfed?
mustn't you have rolfed?
mustn't she have rolfed?
mustn't we have rolfed?
mustn't you have rolfed?
mustn't they have rolfed? 	mustn't I have been rolfing?
mustn't you have been rolfing?
mustn't she have been rolfing?
mustn't we have been rolfing?
mustn't you have been rolfing?
mustn't they have been rolfing?